Name: Predision HESS-T-018 10/100M to 4-port RS-485/422 Serial Device Server
Brand: Predision
Price: 763.00 USD
Availability: OutOfStock

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Predision HESS-T-018 10/100M to 4-port RS-485/422 Serial Device Server

Manufacturer Part Number: HESS-T-018

Brand: Predision

$ 763.00

4 × RS-485/422 Port + 1 × 10/100M Port
Operating Temperature: -40°C to 85°C
±6 kV ESD Protection for Serial Port, 1.5 kVAC Isolation Protection for Ethernet Port
Enhanced Anti-Interference: 12-36 VDC Isolated Power Supply
Supports Web Firmware Upgrade
Baud Rate: 300 - 921,600 bps

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Backordered

More stock available: May 29, 2026 (UTC-4)

The HESS-T-018 serial device server facilitates seamless conversion between RS-485/422 serial ports and TCP/IP network interfaces, supporting transparent, bi-directional data transmission. This allows legacy serial devices to gain immediate network connectivity.

For maximum reliability, the series features comprehensive isolation, including power input/output, inter-port isolation, and port-to-system isolation.

Hardware

Processor	32-bit 400MHZ
Storage	128M
Ethernet Interface	10/100M (built-in 1.5 kV Electromagnetic Isolation) Auto MDI/MDI-X Ethernet Interface, Interface RJ45
Serial Standard	RS-485, RS-422
Serial Port	4 × 4-pin 3.81mm Terminals
LED Indicators	PWR, RUN
Power Connector	1 × DC Connector 1 × 3-pin 5.08 Terminal Block, with built-in Reverse Polarity Protection
Input Voltage	12 - 36 VDC
Function Buttons	1 Factory Reset Button RESET
Max Power Input	2.2W
Housing	Metal Housing, IP30-rated Protection
Operating Environment	Storage Temperature: -40°C to 85°C Operating Temperature: -40°C to 85°C Relative Humidity: 5 - 95% (Non-condensing)
Dimensions (L×W×H)	161 × 91 × 37 mm（Without mounting parts）
Net Weight	520g

Software

OS Support	Based on Linux
Supported Protocol	ARP, IP, ICMP, UDP, TCP, HTTP, DHCP, SNMP, MQTT, Modbus
Configuration Method	Web Browser, VCOM Utility (Virtual COM Only Windows)
Operating Mode	VCOM, MCP, TCP Server, TCP Client, UDP Client, Reverse Telnet, Remote Pair Mode, Modbus TCP Server, Modbus TCP Client, MQTT, RFC2217
Baud Rate	300 - 921,600 bps

Industrial Standard

EMC	EN 55032/24
EMI	CISPR 32, FCC Part 15B Class A
EMS	IEC61000-4-2 ESD: Contact 6kV, Air 8kV IEC61000-4-3 RS: 80 MHz-1 GHz 3V/m IEC61000-4-4 EFT: Power 1kV, Signal 0.5kV IEC61000-4-5 Surge: Power Differential Mode 1 kV, Common Mode 2 kV (8/20), Ethernet Ports Differential Mode 1 kV, Common Mode 2 kV (10/700 us), RS-232/485/422 Differential Mode 1 kV, Common Mode 2 kV (10/700 us) IEC61000-4-6 CS: 150 kHz-80 MHz 3V/m

HESS-T-016

4 x RS-232/485/422 + 1 x 10/100M Port, Desktop/Wall-mount, Input Voltage: 12 - 48 VDC, IP30-rated Metal Housing, Baud Rate: 300 - 921,600 bps, ±4 kV ESD Protection for Serial Port, 1.5 kVAC Isolation Protection for Ethernet Port, Operating Temperature: -40°C to 85°C.

HESS-T-017

4-channel RS-485/422 + 1-channel 10/100M Port, Desktop/Wall-mount, Input Voltage: 12 - 48 VDC, IP30-rated Metal Housing, Baud Rate: 300 - 921,600 bps, Operating Temperature: -40°C to 85°C.

HESS-T-018

4-channel Isolated RS-485/422 + 1-channel 10/100M Port, Desktop/Wall-mount, Input Voltage: 12-36 VDC Isolated Power Supply, IP30-rated Metal Housing, Baud Rate: 300 - 921,600 bps, ±6 kV ESD Protection for Serial Port, 1.5 kVAC Isolation Protection for Ethernet Port, Operating Temperature: -40°C to 85°C.

Datasheet ： Predision_Serial_Server_HESS-T-018_DS_EN.pdf

LineCard： Predision_Line_Card_M2M_Connectivities.pdf

5-Year Warranty

24/7 Live Service

Global Support

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